part of part of upper jaw region chondrocranium endochondral bone olfactory region dermatocranium dermal bone neurocranium bone bone of upper jaw kinethmoid bone ZFA:0001406 kinethmoideum bone The kinethmoid is part of the protrusion mechanism of the upper jaw and is restricted to cypriniform fishes. Sesamoid bone located in the premaxillary-ethmoid ligament, between the mesethmoid and the premaxilla. The kinethmoid is an unpaired median bone. This class was sourced from an external ontology (teleost_anatomy). Its definitions, naming conventions and relationships may need to be checked for compatibility with uberon UBERON:2001406